| Rubellatoma diomedea Bartsch & Rehder, 1939 |
| Saccharoturris Woodring, 1928 |
| Saccharoturris monocingulata (Dall, 1889) |
| Splendrillia Hedley, 1922 |
| Splendrillia arga McLean & Poorman, 1971 |
| Splendrillia bratcherae McLean & Poorman, 1971 |
| Splendrillia coccinata (Reeve, 1845) |
| Splendrillia grandis Fallon, 2016 |
| Splendrillia interpunctata (E. A. Smith, 1882) |
| Splendrillia janetae (Bartsch, 1934) |
| Splendrillia lalage (Dall, 1919) |
| Splendrillia lissotropis (Dall, 1881) |
| Splendrillia moseri (Dall, 1889) |
| Splendrillia sunderlandi Petuch, 1987 |
| Steiraxis Dall, 1896 |
| Steiraxis aulaca (Dall, 1896) |
| Stellatoma Bartsch & Rehder, 1939 |
| Stellatoma stellata (Stearns, 1872) |
| Stenodrillia Korobkov, 1955 |
| Stenodrillia horrenda (Watson, 1886) |